34 lines
700 B
Java
34 lines
700 B
Java
import raf from 'raf';
|
|
|
|
var id = 0;
|
|
var ids = {};
|
|
|
|
// Support call raf with delay specified frame
|
|
export default function wrapperRaf(callback) {
|
|
var delayFrames = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
|
|
|
|
var myId = id++;
|
|
var restFrames = delayFrames;
|
|
|
|
function internalCallback() {
|
|
restFrames -= 1;
|
|
|
|
if (restFrames <= 0) {
|
|
callback();
|
|
delete ids[myId];
|
|
} else {
|
|
ids[myId] = raf(internalCallback);
|
|
}
|
|
}
|
|
|
|
ids[myId] = raf(internalCallback);
|
|
|
|
return myId;
|
|
}
|
|
|
|
wrapperRaf.cancel = function (pid) {
|
|
if (pid === undefined) return;
|
|
raf.cancel(ids[pid]);
|
|
delete ids[pid];
|
|
};
|
|
wrapperRaf.ids = ids; // export this for test usage |